/*
 * Copyright (C) 2016 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#if ENABLE(ENCRYPTED_MEDIA)

#include "CDMInstance.h"
#include "MediaKeySessionType.h"
#include "MediaKeysRequirement.h"
#include <wtf/Forward.h>

namespace WebCore {

struct MediaKeySystemConfiguration;
struct MediaKeysRestrictions;

class CDMPrivate {
public:
    virtual ~CDMPrivate() { }

    virtual bool supportsInitDataType(const AtomicString&) const = 0;
    virtual bool supportsConfiguration(const MediaKeySystemConfiguration&) const = 0;
    virtual bool supportsConfigurationWithRestrictions(const MediaKeySystemConfiguration&, const MediaKeysRestrictions&) const = 0;
    virtual bool supportsSessionTypeWithConfiguration(MediaKeySessionType&, const MediaKeySystemConfiguration&) const = 0;
    virtual bool supportsRobustness(const String&) const = 0;
    virtual MediaKeysRequirement distinctiveIdentifiersRequirement(const MediaKeySystemConfiguration&, const MediaKeysRestrictions&) const = 0;
    virtual MediaKeysRequirement persistentStateRequirement(const MediaKeySystemConfiguration&, const MediaKeysRestrictions&) const = 0;
    virtual bool distinctiveIdentifiersAreUniquePerOriginAndClearable(const MediaKeySystemConfiguration&) const = 0;
    virtual RefPtr<CDMInstance> createInstance() = 0;
    virtual void loadAndInitialize() = 0;
    virtual bool supportsServerCertificates() const = 0;
    virtual bool supportsSessions() const = 0;
    virtual bool supportsInitData(const AtomicString&, const SharedBuffer&) const = 0;
    virtual RefPtr<SharedBuffer> sanitizeResponse(const SharedBuffer&) const = 0;
    virtual std::optional<String> sanitizeSessionId(const String&) const = 0;
};

}

#endif
